Characterisation of body dysmorphic disorder (BDD) versus obsessive-compulsive disorder (OCD): In light of current DSM-5 nosology

•We present a comparative study of clinical characteristics in BDD versus OCD.•Comorbid mood and anxiety disorders were prevalent in both disorders.•Comorbid OCD in primary BDD (33.3% lifetime) was more prevalent than vice versa.•Avoidant and obsessive-compulsive PDs were common in BDD and OCD respectively.•Insight was significantly more impaired in BDD, despite comparable illness severity.